package com.leetcode.algorithm.y19.m03;

//Definition for a Node.
public class Node {
	public int val;
	public Node left;
	public Node right;
	public Node next;

	public Node() {
	}

	public Node(int _val, Node _left, Node _right, Node _next) {
		val = _val;
		left = _left;
		right = _right;
		next = _next;
	}
};